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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * cmd_sdp.c -- sdp command
- *
- * Copyright (C) 2016 Toradex
- * Author: Stefan Agner <stefan.agner@toradex.com>
- */
- #include <common.h>
- #include <g_dnl.h>
- #include <sdp.h>
- #include <usb.h>
- static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
- {
- int ret;
- if (argc < 2)
- return CMD_RET_USAGE;
- char *usb_controller = argv[1];
- int controller_index = simple_strtoul(usb_controller, NULL, 0);
- usb_gadget_initialize(controller_index);
- g_dnl_clear_detach();
- ret = g_dnl_register("usb_dnl_sdp");
- if (ret) {
- pr_err("SDP dnl register failed: %d\n", ret);
- goto exit_register;
- }
- ret = sdp_init(controller_index);
- if (ret) {
- pr_err("SDP init failed: %d\n", ret);
- goto exit;
- }
- /* This command typically does not return but jumps to an image */
- sdp_handle(controller_index);
- pr_err("SDP ended\n");
- exit:
- g_dnl_unregister();
- exit_register:
- usb_gadget_release(controller_index);
- return CMD_RET_FAILURE;
- }
- U_BOOT_CMD(sdp, 2, 1, do_sdp,
- "Serial Downloader Protocol",
- "<USB_controller>\n"
- " - serial downloader protocol via <USB_controller>\n"
- );
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